3109329 has 12 divisors (see below), whose sum is σ = 4519476. Its totient is φ = 2059872.

The previous prime is 3109319. The next prime is 3109333. The reversal of 3109329 is 9239013.

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 1782225 = 1152^2 + 1335^2 .

It is not a de Polignac number, because 3109329 - 2⁵ = 3109297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3109319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (376623).

Almost surely, 2^3109329 is an apocalyptic number.

It is an amenable number.

3109329 is a deficient number, since it is larger than the sum of its proper divisors (1410147).

3109329 is a wasteful number, since it uses less digits than its factorization.

3109329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 3109329 is about 1763.3289539958. The cubic root of 3109329 is about 145.9560917566.

The spelling of 3109329 in words is "three million, one hundred nine thousand, three hundred twenty-nine".